dbutil.java

来自「该项目采用Struts框架」· Java 代码 · 共 39 行

package com.cattsoft.DB;

import java.sql.Connection;
import java.sql.SQLException;

import javax.naming.Context;
import javax.naming.InitialContext;
import javax.naming.NamingException;
import javax.sql.DataSource;

public class DBUtil {
	Connection conn=null;
	public DBUtil(){
		try {
			Context initContext=new InitialContext();
			Context eveContext=(Context)initContext.lookup("java:/comp/env");
			DataSource ds=(DataSource)eveContext.lookup("jdbc/mysqlds");
			conn=ds.getConnection();
		} catch (NamingException e) {
			e.printStackTrace();
		} catch (SQLException e) {
			e.printStackTrace();
		}	
	}
	public Connection getConnection(){
		return conn;
	}
	public void connectionClose(Connection conn){
		if(conn!=null){
			try {
				conn.close();
			} catch (SQLException e) {
				e.printStackTrace();
			}
		}
		
	}
}